/Engine/Plugins/Media/MediaCompositing/Source/MediaCompositingEditor/Public/Sequencer/MediaTrackEditor.h
Called when an asset is dropped into Sequencer. Can potentially consume the asset so it doesn't get added as a spawnable.
true if we want to consume this asset, false otherwise.
virtual bool HandleAssetAdded ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * Asset, const [FGuid](API\Runtime\Core\Misc\FGuid) & TargetObjectGuid )